Pinch Valve
A pinch valve is a type of control valve. They are fully bore and fully ported valves that use a pinching effect to block fluid flow. These valves are commonly used in a variety of applications. Their main advantage is that they are inexpensive and can be easily installed. There are several types available.
Internal pinch valves
Internal pinch valves are a type of multi-way valve. They are a good choice when volume is a concern. The tubing inside the valve is enclosed in the port head, which minimizes the internal volume. This reduces the amount of fluid that can escape during a given amount of time.
The primary difference between internal and external pinch valves lies in the materials used. External pinch valves have a single wetted material, while internal pinch valves usually have multiple wetted materials. The materials used in internal pinch valves must be compatible with the media to be transferred. Moreover, it can be difficult to modify internal pinch valves.
Internal pinch valves are a good choice for many different applications. They offer a variety of benefits over other valve types. For example, they are useful for on-and-off applications, throttling services, and clean or sanitary applications. They are also useful for controlling and isolating the media that flows through them.
Tubes used in pinch valves
Tubes used in a pinch valve are usually flexible PVC or silicone. These types of tubing are inexpensive but tend to wear out very quickly, so they must be replaced frequently. Pinch valves can also be made from elastomeric materials, which last longer but require a higher initial investment.
The pinch valve is thermally and magnetically isolated from the tubing. This https://evrproducts.com/products/pinch-valves/ allows it to be used with non-threaded tubing. This is a convenient feature for experiments that require short tubing. Because this valve has a thin structure, it is easier to stack multiple valves in a single unit.
Pinch valves are commonly used in medical technology and analytical applications. They are also widely used in devices used in food handling. They are available with food-certified tubing, which makes them ideal for applications where contamination is a concern. Pinch valves also feature a straight, fluidic path, which minimizes the risk of blockages.
Cost of pinch valves
Pinch valves are solenoid-operated valves that are used to control the flow of gases and liquids. They do not have dead volumes and are suitable for applications involving harsh media. In addition, they are available with a variety of options and features. Linquip offers a wide variety of pinch valves.
One of the most common uses for a pinch valve is for separating lime from other substances. This is a challenging process for process piping systems, and it requires special care to manage it properly. Lime can be used in either dry or wet form, and the choice of equipment must be based on the application. Pinch valves offer a low-cost and reliable solution for this process.
Pinch valves are becoming increasingly popular in wastewater and water treatment applications, and they are simple to operate. They are also easy to maintain and repair. Pinch valves also offer a reliable and safe shutoff.